waymo-open-dataset icon indicating copy to clipboard operation
waymo-open-dataset copied to clipboard

How to get the point clouds separately for the SIDE_LEFT and SIDE_RIGHT Lidar data

Open kiranb222 opened this issue 4 years ago • 3 comments

Hi, I wanted to use the SIDE_LEFT and SIDE_RIGHT Lidar range images and get the poincloud from them seperately. However, the tfrecord data I tested displays range image output only for open_dataset.LaserName.TOP and I assume changing the range image display in the tutorial to show_range_image(get_range_image(open_dataset.LaserName.SIDE_LEFT, 0), 1) shall give me the side_left range image. Is my understanding right? or the .tfrecord has only the merged point cloud. In that case how to get the individual point clouds from 5 different lidars mounted. Please help and point me in the right direction

kiranb222 avatar Apr 11 '21 15:04 kiranb222

You are correct. The point cloud for each LiDAR is stored separately.

peisun1115 avatar May 20 '21 20:05 peisun1115

Hi,I was wondering if there is a script for extracting 3D images.

huCHENXI123456 avatar Oct 18 '21 07:10 huCHENXI123456

Hi, I wanted to use the SIDE_LEFT and SIDE_RIGHT Lidar range images and get the poincloud from them seperately. However, the tfrecord data I tested displays range image output only for open_dataset.LaserName.TOP and I assume changing the range image display in the tutorial to show_range_image(get_range_image(open_dataset.LaserName.SIDE_LEFT, 0), 1) shall give me the side_left range image. Is my understanding right? or the .tfrecord has only the merged point cloud. In that case how to get the individual point clouds from 5 different lidars mounted. Please help and point me in the right direction

Hi, I want to ask did you get the correct SIDE_LEFT range image by changing TOP to SIDE_LEFT? I change all TOP to SIDE_LEFT but I just get a zero tensor and it's totaly black. If you can show me you complete code of getting other view's range view, it will be nice. Thank you very much

mc171819 avatar Jan 02 '22 10:01 mc171819